Update docs/command_clu2adv.md

Co-authored-by: lmkerbey-mdb <[email protected]>

Author: lantoli

docs/command_clu2adv.md

@@ -76,7 +76,7 @@ replication_specs {
 
 ### Dynamic blocks in replication_specs
 
-You can use `dynamic` blocks for `replication_specs`. The plugin assumes that `for_each` has an expression which is evaluated to a `list` of objects.
+You can use `dynamic` blocks for `replication_specs`. The plugin assumes that the value of `for_each` is an expression which evaluates to a `list` of objects.
 
 This is an example of how to use dynamic blocks in `replication_specs`:
 ```hcl